Home / 15,188.15-22,779.60-6,866.24

Finding the Fourth Proportional to 15,188.15, 22,779.60 and 6,866.24

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Solution

The fourth proportional to 15,188.15, 22,779.60 and 6,866.24 is: 10,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.15 : 22,779.60 = 6,866.24 : x
  2. Step 2: Convert to fraction form
    15,188.15/22,779.60 = 6,866.24/x
  3. Step 3: Cross multiply
    15,188.15x = 22,779.60 × 6,866.24
  4. Step 4: Simplify right side
    15,188.15x = 156,410,103.97
  5. Step 5: Solve for x
    x = 156,410,103.97/15,188.15
  6. Step 6: Final answer
    x = 10,298.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.